fix: adapt ClickHouse log LIKE filters

model/clickhouse_log_test.go

@@ -101,6 +101,34 @@ func TestClickHouseLogOrder(t *testing.T) {
 	assert.Equal(t, "logs.created_at desc, logs.request_id desc", clickHouseLogOrder("logs."))
 }
 
+func TestBuildLogLikeConditionUsesStandardEscape(t *testing.T) {
+	originalLogDatabaseType := common.LogDatabaseType()
+	t.Cleanup(func() {
+		common.SetLogDatabaseType(originalLogDatabaseType)
+	})
+	common.SetLogDatabaseType(common.DatabaseTypeSQLite)
+
+	condition, pattern, err := buildLogLikeCondition("logs.model_name", "gpt_4%")
+
+	require.NoError(t, err)
+	assert.Equal(t, "logs.model_name LIKE ? ESCAPE '!'", condition)
+	assert.Equal(t, "gpt!_4%", pattern)
+}
+
+func TestBuildLogLikeConditionUsesClickHouseEscaping(t *testing.T) {
+	originalLogDatabaseType := common.LogDatabaseType()
+	t.Cleanup(func() {
+		common.SetLogDatabaseType(originalLogDatabaseType)
+	})
+	common.SetLogDatabaseType(common.DatabaseTypeClickHouse)
+
+	condition, pattern, err := buildLogLikeCondition("logs.model_name", `gpt_4\mini%`)
+
+	require.NoError(t, err)
+	assert.Equal(t, "logs.model_name LIKE ?", condition)
+	assert.Equal(t, `gpt\_4\\mini%`, pattern)
+}
+
 func TestEnsureLogRequestId(t *testing.T) {
 	empty := &Log{}
 	ensureLogRequestId(empty)